MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efaaa8ecbfb81f33bbfb791209f0e386756b6a5242428d178efda0ad93ac64bf. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


CoinMiner


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efaaa8ecbfb81f33bbfb791209f0e386756b6a5242428d178efda0ad93ac64bf
SHA3-384 hash: 0eef406cfdc46d12de398974e4a2be74b38b50240277f509cd7b64730a3cb5a7372a217ef91fb5a36abc5651199cfdac
SHA1 hash: f0f5c37e09f0c7e4c39dcb5bf16c84fb4a6144a2
MD5 hash: 86d0551f1f1fabe18d3932421b4b9b66
humanhash: colorado-quiet-romeo-nevada
File name:86d0551f1f1fabe18d3932421b4b9b66.bin
Download: download sample
Signature CoinMiner
Create hunting rule
File size:10'469'032 bytes
First seen:2023-04-02 07:30:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f7505c167603909b7180406402fef19e (36 x CoinMiner, 3 x PripyatMiner)
ssdeep 196608:aAZZ3n6/MaXqImepdc1GPzWQXfIvmdglbubFVLOjbhNr:aA336/MSmepWbQXfIvmdglbiEnhNr
Threatray 2'279 similar samples on MalwareBazaar
TLSH T1B2B6D0A69B29883DEF073A3560FBD395F4ECA8805C9EE1192509644E038E5FFDD0997C
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 70d098b0cabcf870 (1 x CoinMiner)
Reporter abuse_ch
Tags:bin CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
86d0551f1f1fabe18d3932421b4b9b66.bin
Verdict:
Malicious activity
Analysis date:
2023-04-02 07:32:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9fd17df4-1e54-4f1e-b3d5-5ff69f3e9541

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/379294/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Running batch commands
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76071/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug overlay packed
Link:
https://www.filescan.io/uploads/64292f395a075383fbff0a6d/reports/43b9896a-9237-483a-bf41-b749896e54d7/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/efaaa8ecbfb81f33bbfb791209f0e386756b6a5242428d178efda0ad93ac64bf
Result
Verdict:
MALICIOUS
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/643caa38-f2e9-43dc-acfd-f1d5dc872b49
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1206516
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates files in the system32 config directory
Drops executable to a common third party application directory
Found hidden mapped module (file has been removed from disk)
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Protects its processes via BreakOnTermination flag
Sample is not signed and drops a device driver
Snort IDS alert for network traffic
Uses powercfg.exe to modify the power settings
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 839432 Sample: Xiwc6qj3q1.exe Startdate: 02/04/2023 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for dropped file 2->77 79 8 other signatures 2->79 9 Xiwc6qj3q1.exe 4 2->9         started        13 cmd.exe 1 2->13         started        15 cmd.exe 1 2->15         started        17 2 other processes 2->17 process3 file4 55 C:\Users\user\AppData\...\vlevjysvadtb.tmp, PE32+ 9->55 dropped 57 C:\Program Files\Adobe\OOBE\updater.exe, PE32+ 9->57 dropped 93 Writes to foreign memory regions 9->93 95 Modifies the context of a thread in another process (thread injection) 9->95 97 Found hidden mapped module (file has been removed from disk) 9->97 103 3 other signatures 9->103 19 dialer.exe 1 9->19         started        99 Uses powercfg.exe to modify the power settings 13->99 101 Modifies power options to not sleep / hibernate 13->101 22 conhost.exe 13->22         started        34 5 other processes 13->34 24 conhost.exe 15->24         started        26 powercfg.exe 1 15->26         started        28 powercfg.exe 1 15->28         started        36 2 other processes 15->36 30 conhost.exe 17->30         started        32 conhost.exe 17->32         started        signatures5 process6 signatures7 81 Injects code into the Windows Explorer (explorer.exe) 19->81 83 Contains functionality to inject code into remote processes 19->83 85 Writes to foreign memory regions 19->85 87 4 other signatures 19->87 38 svchost.exe 19->38 injected 40 lsass.exe 19->40 injected 43 dwm.exe 19->43 injected 45 25 other processes 19->45 process8 signatures9 47 updater.exe 5 38->47         started        89 Writes to foreign memory regions 40->89 91 Adds a directory exclusion to Windows Defender 40->91 51 powershell.exe 18 40->51         started        process10 file11 59 C:\Windows\Temp\vlevjysvadtb.tmp, PE32+ 47->59 dropped 61 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 47->61 dropped 63 Protects its processes via BreakOnTermination flag 47->63 65 Writes to foreign memory regions 47->65 67 Modifies the context of a thread in another process (thread injection) 47->67 71 3 other signatures 47->71 69 Creates files in the system32 config directory 51->69 53 conhost.exe 51->53         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efaaa8ecbfb81f33bbfb791209f0e386756b6a5242428d178efda0ad93ac64bf/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56vkr3f7xaptho73pejat4hdqz2ww2ssijbi2f4o7wqk3e5mms7q._file
Verdict:
malicious
Similar samples:
50c2bec0fbc955824b6b2648d30fc42a5fc64994411fdb6026f560d0aa8e178e
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5d9d30f4a9e254cd3754c47ca59ac4d4e0f50f4d6fd6564e777819d1701be81e
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6320b40b4809bd711e6a50eebacce6ac51d3cbb92f84d467116f79489c668a04
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84374cb55c56fb530ef4f83f655ffeb7463e8c0452d7f13d57535d9e032e761f
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8af00bf775390ea0d90e5d0db1d6ea1149d8a2da3e024948d3a4dce7b11f3237
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cde83c58766ae18bd516cfa78098c411fd1d0ebff083896f35fc33b10afa0e50
CoinMiner
dcdf6845df1e1aed6f335dd6f2a3ff7351984522235937e5c4a1c746c7fe4371
CoinMiner
eab9a40c5379d460e7d5f3d11c2b766ce8674c2240110e063fecb0c651e0dd67
CoinMiner
ef1cb9555d780addb510d052b41f070dbdeb931c3f916bf345a419a4d437a167
CoinMiner
+ 2'269 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion
Link:
https://tria.ge/reports/230402-jcdj6afb96/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Stops running service(s)
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
efaaa8ecbfb81f33bbfb791209f0e386756b6a5242428d178efda0ad93ac64bf
MD5 hash:
86d0551f1f1fabe18d3932421b4b9b66
SHA1 hash:
f0f5c37e09f0c7e4c39dcb5bf16c84fb4a6144a2
Link:
https://www.unpac.me/results/ce2d4e32-1289-4cce-806f-844328135dc9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efaaa8ecbfb8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/efaaa8ecbfb81f33bbfb791209f0e386756b6a5242428d178efda0ad93ac64bf

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/379294/

Comments